4-Quinolinol

• Formula: C₉H₇NO
• Molecular weight: 145.1580
• IUPAC Standard InChI: InChI=1S/C9H7NO/c11-9-5-6-10-8-4-2-1-3-7(8)9/h1-6H,(H,10,11) Copy

  
• IUPAC Standard InChIKey: PMZDQRJGMBOQBF-UHFFFAOYSA-N Copy
• CAS Registry Number: 611-36-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: 4-Hydroxyquinoline; Kynurine; quinolin-4-ol
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • UV/Visible spectrum
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Enthalpy of sublimation

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IR Spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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Additional Data

UV/Visible spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ribeiro da Silva, Matos, et al., 1990
Ribeiro da Silva, M.A.V.; Matos, M.A.R.; Monte, M.J.S., Enthalpies of combustion, vapour pressures, and enthalpies of sublimation of 2-hydroxyquinoline, 4-methyl-2-hydroxyquinoline, 4-hydroxyquinoline, and 2-methyl-4-hydroxyquinoline, J. Chem. Thermodyn., 1990, 22, 609-616. [all data]

Da Silva, Da Silva, et al., 1990
Da Silva, M.A.V. Ribeiro; Da Silva, Maria D.M.C. Ribeiro; Rangel, Maria C.S.S.; Pilcher, G.; Akello, Margaret J.; Carson, A.S.; Jamea, E.H., Mean copper-ligand binding enthalpies in copper(II) complexes of dimethylglyoxime, glycine, acetic acid and 4-phenylamino-3-penten-2-one, Thermochimica Acta, 1990, 160, 2, 267-280, https://doi.org/10.1016/0040-6031(90)80266-2 . [all data]

Pfister-Guillouzo, Guimon, et al., 1981
Pfister-Guillouzo, G.; Guimon, C.; Frank, J.; Ellison, J.; Katritzky, A.R., Tautomeric pyridines,26. A photoelectron spectral study of the vapour phase tautomerism of 2- and 4-quinolone, Liebigs Ann. Chem., 1981, 366. [all data]

Tucker and Irvin, 1951
Tucker, G.F., Jr.; Irvin, J.L., J. Am. Chem. Soc., 1951, 73, 1923. [all data]

Notes

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• Symbols used in this document:
  

  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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